two cars are involved in a head on collision. the smaller car has a mass of 950kg and was travelling at 18km/hr. the larger car has a mass 1220kg and...

two cars are involved in a head on collision. the smaller car has a mass of 950kg and was travelling at 18km/hr. the larger car has a mass 1220kg and was travelling at 45km/hr. if neither car applied their brakes and they stuck together after impact determine their velocity after the crash and the direction in which they moved